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Windows 7 users have reported that immediately after log on, they were presented with a Windows Activation window: “Windows is not genuine. Your computer might not be running a counterfeit copy of Windows. 0x80070005, and more….” Microsoft explained that its caused by lack of permissions in the registry key HKU\S-1-5-20. “The Network Service account must […]

Windows 7 users have reported that immediately after log on, they were presented with a Windows Activation window: “Windows is not genuine. Your computer might not be running a counterfeit copy of Windows. 0x80070005, and more….” Microsoft explained that its caused by lack of permissions in the registry key HKU\S-1-5-20. “The Network Service account must have full control and read permissions over that registry key. This situation may be the result of applying a Plug and Play Group Policy object (GPO). Computer Configuration / Policies / Windows Settings /Security Settings / System Services / Plug and Play (Startup Mode: Automatic).” Customers affected by this issue can turn to one of two workarounds detailed by Microsoft, documented below:

Method A: Disable the Plug and Play Policy

Determine the source of the policy. To do this, follow these steps:

On client experiencing Activation error, run Resultant Set of Policy wizard by clicking Start, Run and entering rsop.msc as the command.

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Deepak Gupta is a IT & Web Consultant. He is the founder and CEO of diTii.com & DIT Technologies, where he's engaged in providing Technology Consultancy, Design and Development of Desktop, Web and Mobile applications using various tools and softwares. Sign-up for the Email for daily updates. Google+ Profile.